|Nicknames/Aliases|| Genius (by Peg)|
|First appear.||The Chicken Problem|
Cat is a blue-purple cat, and the best friend to Peg. He loves circles (but not as much as The Pig loves triangles) and accompanies Peg on her adventures. Cat often inspires Peg to realize a solution to a problem without being aware of it himself. He helps to calm Peg when She "totally freaks out". He was inspired by Jennifer Oxley's pet cat. Voiced by Dwayne Hill.